Valentina, the Russion Cosmonaut, goes outside her ship for a spacewalk, but when she is floating 15 m from?

the ship, her tether catches on a sharp piece of metal and is severed. Valentina tosses her 2.0 kg camera away from the spaceship with a speed of 12 m/s. A) How fast will valentina, whose mis now 68kg, travel toward the spaceship? B) uming the spaceship remains at rest with respect to valentina, ho wlong will it take her to reach the ship?